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JACIII Vol.26 No.1 pp. 83-87
doi: 10.20965/jaciii.2022.p0083
(2022)

Paper:

Target Detection Based on Variable Frame Rate Sampling of Active Light Source

Shanshan Yuan and Xiangyang Xu

School of Automation, Beijing Institute of Technology
No.5 Zhongguancun South Street, Haidian District, Beijing 10081, China

Corresponding author

Received:
April 19, 2021
Accepted:
November 15, 2021
Published:
January 20, 2022
Keywords:
target detection, image modulation, variable frame rate sampling
Abstract

In the process of target detection with active light sources as calibration objects, air scattering and air absorption cause a significant loss of light energy, resulting in distortion and fragmentation of the spot shape. Inspired by band-pass filtering, this study proposes a target detection method based on variable frame rate sampling of an active light source. It primarily adopts i) image modulation for collecting the active light source signal with a specified frequency and subtracting the background, and ii) variable frame rate sampling for further weighted average to attenuate the dynamic noise. The experimental results show that the proposed method can efficiently eliminate static background, suppress dynamic noise, and detect the target location without illumination and background requirements.

Cite this article as:
S. Yuan and X. Xu, “Target Detection Based on Variable Frame Rate Sampling of Active Light Source,” J. Adv. Comput. Intell. Intell. Inform., Vol.26, No.1, pp. 83-87, 2022.
Data files:
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Last updated on Sep. 27, 2022